Fields could be amazing with this current Dolphins team. Compared to Tua, he has a better arm, ability to run, ability to bye time, and better ability to throw on the run. Tua's thing is that he hits on those 2.2s throws that go 15 yards down the hash marks to Hill. But that seems like an overall play design thing, not skillset that is specific to Tua. Tua has also been very accurate on the deep throws to a wide open Hill. Apparently, that's a skillset that not every QB has. eh-hmmm.